* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

ul {
    float: left;
}

li {
    list-style-type: none;
}

.section {
    width: 100%;
    background-color: #f1f1f1;
}

.bottom1 {
    width: 100%;
    background-color: white;
}

.trn {
    transition: all .4s;
}

.xbox {
    float: left;
    margin: 0px 15px 0px 15px;
    height: 25px;
    line-height: 25px;
    background-color: pink;
}

hr {
    border: 1px solid #999999;
}

.gray1 {
    color: #f1f1f1;
}

.gray2 {
    color: #666;
}

.gray3 {
    color: #333;
}

.font1 {
    font-size: 12px;
    color: #666;
}

.font2 {
    font-size: 16px;
    color: #333;
    font-family: 微软雅黑;
    ;
}

.font3 {
    font-size: 12px;
    color: red;
}

.di {
    z-index: -1;
    position: absolute;
    top: 0px;
    left: -416px;
    width: 2050px;
    height: 900px;
    margin: 0 auto;
    background: 60px 200px/1913px 808px url(../images/bc.jpg) no-repeat;
}

.d {
    position: relative;
    width: 1200px;
    margin: 0 auto;
}

a {
    text-decoration: none;
    margin: 0 4px;
    color: black;
}

.w {
    width: 1200px;
    margin: 0 auto;
}

.red {
    color: red;
}

.con {
    overflow: hidden;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.shortcut {
    width: 1200px;
    height: 31px;
    margin: 0 auto;
    line-height: 31px;
    background-color: #f1f1f1;
}

.shortcut ul li {
    float: left;
    list-style-type: none;
    font-size: 8px;
    color: gray;
    margin: 0 4px;
}

.shortcut .fr ul li:nth-child(even) {
    width: 1px;
    height: 12px;
    background-color: #666666;
    margin: 9px 4px;
}

.list_a {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 26px;
    left: -10px;
    overflow: hidden;
    transition: all .2s;
    height: 0;
}

.list {
    position: relative;
}

.list:hover .list_a {
    height: 120px;
    border: 1px solid #999;
    background-color: #f1f1f1;
    z-index: 5;
}

.list_a_1 {
    width: 70px;
    height: 20px;
    margin: 2px;
    line-height: 20px;
    text-align: center;
    border-bottom: 1px solid #999;
    font-size: 12px;
}

.list::after {
    display: inline-block;
    position: relative;
    top: -3px;
    left: 3px;
    width: 3px;
    height: 3px;
    content: "";
    border: 1.5px solid #000;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

.header {
    position: relative;
    height: 105px;
}

.logo a {
    display: inline-block;
    widows: 170px;
    height: 60px;
    position: relative;
    background: 0 0/100% 100% url("../images/logo.png");
}

h1 a {
    display: block;
    position: absolute;
    top: 21px;
    left: -4px;
    height: 61px;
    width: 171px;
}

.search {
    position: absolute;
    left: 346px;
    top: 25px;
    width: 538px;
    height: 36px;
    border: 2px solid #b1191a;
}

button,
input {
    border: 0px;
    outline: none;
}

.search input {
    float: left;
    width: 454px;
    height: 32px;
    padding-left: 10px;
}

.search button {
    position: absolute;
    right: 0px;
    width: 80px;
    height: 32px;
    background-color: #b1191a;
    font-size: 16px;
    color: #fff;
}

.shopcar {
    position: relative;
    top: -44px;
    width: 134px;
    padding: 1px 0 7px;
    background-color: #f7f7f7;
    color: black;
    font-weight: normal;
    border: 1px solid #c2c1c1;
}

.shopcar::before {
    content: '';
    display: inline-block;
    position: relative;
    top: 7px;
    /* margin-top: 21px; */
    width: 25px;
    height: 25px;
    background: 0 0/100% 100% url('../images/shopcar.png') no-repeat;
    background-size: contain;
}

.shopcar::after {
    content: '';
    width: 6px;
    height: 6px;
    display: inline-block;
    border: 2px solid black;
    border-top: none;
    border-left: none;
    transform: translate(6px) rotate(-45deg);
}

.shopcar .cound {
    position: absolute;
    top: 84px;
    left: 1156px;
    padding: 0 4px;
    line-height: 17px;
    font-size: 17px;
    background-color: red;
    display: inline-block;
    border-radius: 12.5px 12.5px 12.5px 0;
    color: white;
}

.nav1 {
    position: absolute;
    left: 346px;
    top: 60px;
    width: 500px;
    height: 25px;
}

.nav1 a {
    color: #666;
}

a:hover {
    color: red;
}

.nav1 a:nth-child(1) {
    color: red;
}


/* //////////////////////////////////////////// */

.bottom {
    width: 1200px;
    margin: 0 auto;
}

.btm1 {
    /* border-top: 1px solid black; */
    height: 80px;
    width: 100%;
    margin-top: 20px;
    display: inline-flex;
}

.b_box {
    position: relative;
    flex: 1;
    border-top: 1px solid black;
    padding-left: 97px;
    padding-top: 20px;
}

.b_box3 {
    position: absolute;
    top: 12px;
    left: 44px;
    z-index: 5;
    content: '';
    display: inline-block;
    width: 50px;
    background-color: brown;
    height: 50px;
}

.b_box1 {
    font-size: 0.8em;
}

.b_box2 {
    font-size: 0.8em;
    font-weight: 100;
}

.btm2 {
    position: relative;
    border-top: 1px solid black;
    height: 180px;
    width: 90%;
    margin: 0 auto;
    margin-top: 20px;
    display: flex;
    color: #666;
    font-size: 0.8em;
    padding: 16px 0 0 6px;
}

#erwei {
    width: 131px;
    height: 159px;
    display: inline-block;
    position: relative;
    right: 0px;
    flex: 1;
}

.b2_box1 {
    display: flex;
    flex: 5;
}

.b2_box1 .x1 {
    flex: 1;
}

.btm3 {
    border-top: 1px solid black;
    width: 100%;
    color: #666;
    margin-top: 20px;
}

.b3_box1 {
    width: 955px;
    height: 14px;
    margin: 5px auto;
    margin-bottom: 20px;
}

.b3_box1 li {
    float: left;
}

.b3_box2 {
    width: 970px;
    margin: 0 auto;
    text-align: center;
}

.x1 p {
    font-size: 20px;
}